package com.itheima.friend;

import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;

import java.io.IOException;

public class Friend1ReducerTask extends Reducer<Text, Text,Text,Text> {
    @Override
    protected void reduce(Text key, Iterable<Text> values, Context context) throws IOException, InterruptedException {

        String v3="";
        for(Text value:values){
            v3+= value+"-";
        }

        context.write(key,new Text(v3));
    }
}
